5942 search results - page 361 / 1189 » On the Processing of Decimated Signals |
168
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ICASSP
2010
IEEE
15 years 7 months ago
2010
IEEE
In this paper, we propose a novel double-talk detection (DTD) technique based on a soft decision in the frequency domain. The proposed method provides an efficient procedure to d...
193
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ICASSP
2010
IEEE
15 years 7 months ago
2010
IEEE
We propose an ℓ1 criterion for dictionary learning for sparse signal representation. Instead of directly searching for the dictionary vectors, our dictionary learning approach i...
157
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ICASSP
2010
IEEE
15 years 7 months ago
2010
IEEE
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
154
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ICASSP
2010
IEEE
15 years 7 months ago
2010
IEEE
Current state-of-the-art speech recognition systems work quite well in controlled environments but their performance degrades severely in realistic acoustical conditions in reverb...
185
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ICASSP
2010
IEEE
15 years 7 months ago
2010
IEEE
This paper considers two problems in sparse filter design, the first involving a least-squares constraint on the frequency response, and the second a constraint on signal-to-noi...